Tandem Diabetes Care Inc
TNDM- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001438133
No open-market purchases or sales by Tandem Diabetes Care Inc insiders were filed in the last 90 days; 274 institutions reported holding it in 13F filings for Q2 2026, worth $1.19B in total; no superinvestor holds it.
13F holders, Q3 2022
Institutional positions in Tandem Diabetes Care Inc as of Sep 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 299
- −31 vs. Q2 2022
- Shares held
- 62.7M
- +1.30M (+2.1%) vs. Q2 2022
- Total value
- $3.00B
- −$637.5M (−17.5%) vs. Q2 2022
- New holders
- 39
- 104 more added
- Sold out
- 70
- 120 more reduced
1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TNDM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 274 | $1.19B |
| Q1 2026 | 274 | $1.51B |
| Q4 2025 | 269 | $1.65B |
| Q3 2025 | 255 | $911.3M |
| Q2 2025 | 271 | $1.51B |
| Q1 2025 | 275 | $1.40B |
| Q4 2024 | 316 | $2.60B |
| Q3 2024 | 332 | $3.10B |
| Q2 2024 | 317 | $2.96B |
| Q1 2024 | 291 | $2.63B |
| Q4 2023 | 268 | $2.10B |
| Q3 2023 | 226 | $1.45B |
| Q2 2023 | 247 | $1.65B |
| Q1 2023 | 274 | $2.77B |
| Q4 2022 | 295 | $2.89B |
| Q3 2022 | 299 | $3.00B |
| Q2 2022 | 331 | $3.64B |
| Q1 2022 | 379 | $6.92B |
| Q4 2021 | 388 | $9.09B |
| Q3 2021 | 338 | $7.32B |
| Q2 2021 | 303 | $5.75B |
| Q1 2021 | 290 | $5.08B |
Institutions, Q3 2022
Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tudor Investment Corp Et Al | 7,408 | $354.0K | 0.01% | −13,761−65.0% | Reduced |
| Jump Financial, LLC | 7,517 | $361.0K | 0.01% | −48,983−86.7% | Reduced |
| Guggenheim Capital LLC | 7,583 | $363.0K | 0.00% | −2,513−24.9% | Reduced |
| Public Employees Retirement Association of Colorado | 8,105 | $388.0K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 7,975 | $397.0K | 0.02% | +4,497+129.3% | Added |
| Cresset Asset Management, LLC | 7,460 | $403.0K | 0.01% | −40−0.5% | Reduced |
| Dynamic Technology Lab Private Ltd | 8,520 | $408.0K | 0.04% | −11,740−57.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,644 | $414.0K | 0.00% | +944+12.3% | Added |
| Walleye Capital LLC | 8,829 | $422.0K | 0.01% | −11,787−57.2% | Reduced |
| State of Alaska, Department of Revenue | 8,910 | $426.0K | 0.01% | −280−3.0% | Reduced |
| Gotham Asset Management, LLC | 8,997 | $431.0K | 0.01% | −5,008−35.8% | Reduced |
| Teacher Retirement System of Texas | 9,111 | $436.0K | 0.00% | −1,099−10.8% | Reduced |
| Lattice Capital Management, LLC | 9,200 | $440.0K | 0.70% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 9,275 | $444.0K | 0.01% | −1,431−13.4% | Reduced |
| Centiva Capital, LP | 9,459 | $453.0K | 0.03% | +9,459 | New |
| Engineers Gate Manager LP | 9,510 | $455.0K | 0.03% | −103,949−91.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 9,612 | $460.0K | 0.01% | +9,612 | New |
| Tower Research Capital LLC (TRC) | 9,754 | $467.0K | 0.01% | −906−8.5% | Reduced |
| New Mexico Educational Retirement Board | 10,100 | $483.0K | 0.03% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 10,138 | $485.0K | 0.06% | +4,877+92.7% | Added |
| Virginia Retirement Systems Et Al | 10,200 | $488.1K | 0.01% | +10,200 | New |
| Janney Montgomery Scott LLC | 10,540 | $504.0K | 0.00% | +3,748+55.2% | Added |
| Handelsbanken Fonder AB | 10,700 | $512.0K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 11,287 | $540.0K | 0.01% | +11,287 | New |
| Chimera Capital Management LLC | 11,645 | $557.0K | 0.15% | +11,645 | New |
| Point72 Hong Kong Ltd | 11,734 | $561.0K | 0.03% | +5,265+81.4% | Added |
| AtonRa Partners | 11,959 | $572.0K | 0.56% | −2,299−16.1% | Reduced |
| Ontario Teachers Pension Plan Board | 12,080 | $578.0K | 0.01% | +192+1.6% | Added |
| Commonwealth Equity Services, LLC | 12,263 | $586.0K | 0.00% | +1,117+10.0% | Added |
| Cetera Advisor Networks LLC | 12,806 | $613.0K | 0.01% | −965−7.0% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 13,089 | $626.0K | 0.00% | −16,095−55.2% | Reduced |
| US Bancorp | 13,344 | $637.0K | 0.00% | +3,295+32.8% | Added |
| ExodusPoint Capital Management, LP | 13,409 | $642.0K | 0.01% | −111,116−89.2% | Reduced |
| Xponance, Inc. | 13,600 | $651.0K | 0.01% | +54+0.4% | Added |
| Bridge City Capital, LLC | 13,608 | $651.0K | 0.36% | +460+3.5% | Added |
| PDT Partners, LLC | 13,760 | $658.0K | 0.10% | +13,760 | New |
| Versor Investments LP | 14,602 | $699.0K | 0.04% | −2,461−14.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 14,724 | $705.0K | 0.00% | +14,724 | New |
| 1492 Capital Management LLC | 14,993 | $717.0K | 0.52% | −60−0.4% | Reduced |
| Prelude Capital Management, LLC | 15,217 | $728.0K | 0.04% | +6,081+66.6% | Added |
| Mercer Global Advisors Inc | 16,015 | $766.0K | 0.00% | −1,955−10.9% | Reduced |
| State of Michigan Retirement System | 16,145 | $773.0K | 0.01% | −100−0.6% | Reduced |
| Ensign Peak Advisors, Inc | 16,670 | $798.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 16,714 | $799.0K | 0.04% | −273−1.6% | Reduced |
| Diversified Trust Co | 16,704 | $799.0K | 0.04% | +2,979+21.7% | Added |
| Louisiana State Employees Retirement System | 17,100 | $818.0K | 0.02% | +300+1.8% | Added |
| Arizona State Retirement System | 17,382 | $832.0K | 0.01% | +73+0.4% | Added |
| B. Metzler seel. Sohn & Co. AG | 17,383 | $832.0K | 0.02% | +514+3.0% | Added |
| Citigroup Inc | 17,417 | $833.0K | 0.00% | −16,296−48.3% | Reduced |
| Bank of Montreal | 16,842 | $839.0K | 0.00% | −6,226−27.0% | Reduced |
| Davy Global Fund Management Ltd | 18,025 | $862.0K | 0.19% | +1,980+12.3% | Added |
| Advisor Group Holdings, Inc. | 18,069 | $864.0K | 0.00% | +1,791+11.0% | Added |
| Oregon Public Employees Retirement Fund | 18,665 | $893.0K | 0.01% | +368+2.0% | Added |
| Raymond James Financial Services Advisors, Inc. | 19,173 | $917.0K | 0.00% | −445−2.3% | Reduced |
| Man Group plc | 19,413 | $929.0K | 0.00% | – | – |
| Capital International Inc | 19,444 | $930.0K | 0.02% | −3,854−16.5% | Reduced |
| PEAK6 Investments LLC | 19,772 | $946.0K | 0.04% | +19,772 | New |
| Natixis | 19,365 | $968.0K | 0.00% | −854−4.2% | Reduced |
| Baird Financial Group, Inc. | 20,331 | $973.0K | 0.00% | −8,178−28.7% | Reduced |
| Polar Capital Holdings Plc | 20,506 | $981.0K | 0.01% | +1,833+9.8% | Added |
| Apollon Wealth Management, LLC | 20,774 | $994.0K | 0.08% | +108+0.5% | Added |
| D. E. Shaw & Co., Inc. | 22,403 | $1.07M | 0.00% | −4,886−17.9% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 22,766 | $1.09M | 0.03% | +785+3.6% | Added |
| Raymond James & Associates | 23,113 | $1.11M | 0.00% | +4,935+27.1% | Added |
| HighMark Wealth Management LLC | 23,375 | $1.12M | 0.95% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 23,406 | $1.12M | 0.03% | 00.0% | Unchanged |
| Spouting Rock Asset Management, LLC | 23,615 | $1.13M | 0.87% | −1,802−7.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,462 | $1.22M | 0.01% | +140+0.6% | Added |
| Capital International Sarl | 26,460 | $1.27M | 0.10% | +7,420+39.0% | Added |
| UBS Oconnor LLC | 26,630 | $1.27M | 0.01% | +5,100+23.7% | Added |
| Beacon Investment Advisory Services, Inc. | 26,909 | $1.29M | 0.07% | +4,359+19.3% | Added |
| Treasurer of the State of North Carolina | 27,343 | $1.31M | 0.01% | +350+1.3% | Added |
| Envestnet Asset Management Inc | 29,002 | $1.39M | 0.00% | +5,219+21.9% | Added |
| Allianz Asset Management GmbH | 30,193 | $1.45M | 0.00% | −45,970−60.4% | Reduced |
| Landscape Capital Management, L.L.C. | 32,850 | $1.57M | 0.21% | −957−2.8% | Reduced |
| Susquehanna Fundamental Investments, LLC | 32,935 | $1.58M | 0.03% | +32,935 | New |
| DekaBank Deutsche Girozentrale | 32,000 | $1.58M | 0.00% | +6,000+23.1% | Added |
| Comerica Bank | 28,928 | $1.59M | 0.01% | −311−1.1% | Reduced |
| Yousif Capital Management, LLC | 33,704 | $1.61M | 0.02% | −2,999−8.2% | Reduced |
| Chartwell Investment Partners, LLC | 35,424 | $1.70M | 0.07% | +6,882+24.1% | Added |
| Public Employees Retirement System of Ohio | 35,957 | $1.72M | 0.01% | +874+2.5% | Added |
| Canada Pension Plan Investment Board | 36,000 | $1.72M | 0.00% | +24,200+205.1% | Added |
| HSBC Holdings PLC | 38,944 | $1.86M | 0.00% | −2,097−5.1% | Reduced |
| LPL Financial LLC | 39,510 | $1.89M | 0.00% | +5,383+15.8% | Added |
| Candriam Luxembourg S.C.A. | 42,575 | $2.04M | 0.01% | −81,499−65.7% | Reduced |
| Dimensional Fund Advisors LP | 42,871 | $2.05M | 0.00% | −65,122−60.3% | Reduced |
| MetLife Investment Management | 43,709 | $2.09M | 0.02% | −324−0.7% | Reduced |
| Formula Growth Ltd | 43,753 | $2.09M | 0.60% | 00.0% | Unchanged |
| Jane Street Group, LLC | 44,292 | $2.12M | 0.00% | +7,811+21.4% | Added |
| Capital International Ltd | 45,088 | $2.16M | 0.15% | +10,485+30.3% | Added |
| Texas Permanent School Fund | 46,191 | $2.21M | 0.04% | −40−0.1% | Reduced |
| Great West Life Assurance Co | 46,558 | $2.23M | 0.01% | +7,311+18.6% | Added |
| Royal Bank of Canada | 46,901 | $2.25M | 0.00% | +27,257+138.8% | Added |
| Amalgamated Bank | 48,525 | $2.32M | 0.02% | +1,137+2.4% | Added |
| State of New Jersey Common Pension Fund D | 50,348 | $2.41M | 0.01% | +13,369+36.2% | Added |
| Manufacturers Life Insurance Company, The | 52,084 | $2.49M | 0.00% | −1,498−2.8% | Reduced |
| Brookfield Asset Management Inc. | 54,160 | $2.59M | 0.01% | +54,160 | New |
| Wells Fargo & Company | 55,029 | $2.63M | 0.00% | +1,174+2.2% | Added |
| BNP Paribas Arbitrage, SA | 55,371 | $2.65M | 0.01% | +43,330+359.9% | Added |
| Mutual of America Capital Management LLC | 56,562 | $2.71M | 0.04% | −30,215−34.8% | Reduced |